Avaya P112T manual Port LEDs, Function LEDs, Avaya Inc. All rights reserved

	Table 2	P112T Stackable Switch front panel LED indicators
LED Indicator			Status	Meaning
PWR	Power		OFF	Mains power not connected
			ON	Mains power connected
			Blink	Working on back-up power supply
NMA	Agent		OFF	No agent in switch
			ON	Switch contains an active agent
RED NMA			Reserved for future use.
Port LEDs
1 to 24			Each LED can display Link, Collision, Full Duplex, Transmit,
			and Receive states, depending on what has been selected
			using the Select buttons.
Function LEDs
LINK	Link Status		OFF	Port Disabled
			ON	Port is enabled and link is OK
			Blink once	Link Test Fail.
			Blink twice	Partition.
COL	Collision		OFF	No Collision
			ON	Collision occurred on line
FDX	Half/Full		OFF	Half duplex – regular 10BASE-T Ethernet is
Duplex				connected to this port.
			ON	10BASE-T Full Duplex device is connected to
				this port, which means a throughput of
				20 Mbps. In full duplex operation, no
				repeaters are allowed in the path.
TX	Transmit to line		OFF	No activity
			ON	Data transmitted
RX	Receive from line		OFF	No activity
			ON	Data Received

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Document number: 130001 Rev. A